"It said confidential details of more than 1.3 million people, mainly Americans, were stolen by malicious hackers who carried out the attack.
It said that servers in Ukraine and hijacked home computers were used to mount the attack.
Monster said the information was stolen to lend credibility to e-mails sent out as part of a phishing campaign. The thieves got away with names, addresses, phone numbers and e-mail addresses of Monster.com users."